To add to the excellent explanations, there is another use of the word "affect," which is particularly important for anyone studying psychology or education, but is bound to turn up in other subjects as well. "Affect" is often used as a noun, in which case
it means something...
This is the best way. I would use the "tu" form since if you are asking the question, you're probably being friendly towards the other person.
If you still are seeking a clear answer to your question, I think I can answer it more clearly than a lot of website sources.
Modernism began at the end of the 19th Century and was influenced by the new technologies and ideologies that permeated the period (automobile,...